Method of assembling packing rings in solid turbine rotors



Q Mam 9,1937.

J. H. DORAN MEIHODOF ASSEMBLING PACKING RINGS IN SOLID TURBINE ROTORSFiled Jan. 2, 1936 lrwverwtohz' John H. Dorian Patented Mar. 9, 1937UNITED STATES PATENT OFFICE METHOD OF ASSEMB SOLID TURB John H. Doran,Scotia,

LING PACKING RINGS INE ROTORS N. Y., assiznor to General ElectricCompany, a corporation of New York Application January 2, 1936, SerialNo. 57,083

1 Claim. (01. zit-156.8)

The'present invention relates to methods of assembling packing ringsinsolid type turbine For a consideration of what I believe to be noveland my invention, attention is directed to the following description andthe claim appanying drawing.

The single figure of the drawing illustrates a sectional view partlybroken away of an elastic row of buckets i 2 fastened thereto in anysuitable manner and having outer ends held in position and united bymeans of shroud bands or rings l3. A diaphragm I 4 having partitions orblades I5 is interposed between adjacent bucket wheels for conductingand properly directing the flow of fiuid from a higher stage to a lowerstage. The diaphragms are split in halves and supported by an outercasing iii. In order to reduce leakage along the shaft through thespaces defined between adjacent surfaces of the bucket wheels and thediaphragms, an interstage packing is provided between the inner surfaceof each diaphragm and the adjacent shaft portion.

surfaces of adjacent bucket wheels. The projecassembling such rings withthe rotor.

tions 22, 23 prevent the ring from moving outward under the action ofcentrifugal force exerted thereon.

than the distance b defined between, the projections 22 and 23 of thebucket wheels. mlts the ring, that is, the halves or segments thereof,to be radially inserted in the rotor. After insertion, the portions 28are deformed, that is, 15

tions 23, 22 as indicated with respect to the lefthand ring in thedrawing.

With my invention I have accomplished the I provision of an improvedpacking ring for solid type turbine rotors and an improved method ofrangement is simple and reliable in operation and may be producedat'comparatively low cost.

What I claim as new and desire to secure by Letters Patent of the UnitedStates is:

In an elastic fluid turbine having a rotor with wheels integrally formedwith the shaft and a diaphragm intermediate adjacent wheels, the 30method of assembling a packing ring intermedi-

